1 /*

     2  * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /**

    25  *  @test

    26  *  @bug 4621289

    27  *  @summary vm.setDefaultStratum(null) causes a Null Ptr exception

    28  *

    29  *  @author jjh

    30  *

    31  *  @run build  TestScaffold VMConnection TargetListener TargetAdapter

    32  *  @run compile -g SDENullTest.java

    33  *  @run main SDENullTest

    34  */

    35 import com.sun.jdi.*;

    36 import com.sun.jdi.event.*;

    37 import com.sun.jdi.request.*;

    38 

    39 import java.util.*;

    40 

    41     /********** target program **********/

    42 

    43 class SDENullTarg {

    44     public static void main(String[] args){

    45         System.out.println("Howdy!");

    46         System.out.println("Goodbye from SDENullTarg!");

    47     }

    48 }

    49 

    50     /********** test program **********/

    51 

    52 public class SDENullTest extends TestScaffold {

    53     ReferenceType targetClass;

    54     ThreadReference mainThread;

    55 

    56     SDENullTest (String args[]) {

    57         super(args);

    58     }

    59 

    60     public static void main(String[] args)      throws Exception {

    61         new SDENullTest(args).startTests();

    62     }

    63 

    64     /********** test core **********/

    65 

    66     protected void runTests() throws Exception {

    67         /*

    68          * Get to the top of main()

    69          * to determine targetClass and mainThread

    70          */

    71         BreakpointEvent bpe = startToMain("SDENullTarg");

    72         targetClass = bpe.location().declaringType();

    73         mainThread = bpe.thread();

    74         EventRequestManager erm = vm().eventRequestManager();

    75         vm().setDefaultStratum(null);

    76         if (!testFailed) {

    77             println("SDENullTest: passed");

    78         } else {

    79             throw new Exception("SDENullTest: failed");

    80         }

    81     }

    82 }